1. highest frequency

The highest frequency at which device produces audio. The higher the high-frequency response, the clearer and crispier the treble.

25000Hz

Sony MDR-Z1R: 120000Hz

20000Hz

2. lowest frequency

The lowest frequency at which the device produces audio. The lower the low-frequency response, the stronger and juicier the bass.

15Hz

Sony MH1CBLK: 1Hz

20Hz

3. weight

223g lighter.

240g

Sony MDR-EX150AP: 3g

17g

4. has sound isolation / passive noise reduction

The device sits tightly in place, creating an acoustic seal which reduces background noise and prevents your music from leaking out.

AKG K240 MKII

Griffin WoodTones with Control Mic

48% have it

5. impedance

Impedance is the device’s electrical resistance to the current being pushed through it. The lower the impedance, the easier it is to get higher volume and requires less power.

55Ohms

Flips Solo 2 Social: 4Ohms

16Ohms

6. has a neodymium magnet

Devices with neodymium magnets are lighter and more powerful than those which use ferrite magnets. They also have more bass and clear high notes.

AKG K240 MKII

Griffin WoodTones with Control Mic

33% have it

7. sound pressure level

Devices with a higher sound pressure level are generally louder when supplied with any given audio source.

104dB/mW

AKG K553 Pro: 144dB/mW

103dB/mW

8. no battery needed

This device works without batteries. It weighs less and you don't have to worry about recharging or replacing the battery.

AKG K240 MKII

Griffin WoodTones with Control Mic

73% have it

9. has a tangle free cable

The cable is designed to minimize tangling.

AKG K240 MKII

Griffin WoodTones with Control Mic

25% have it

10. has a detachable cable

With a detachable cable you can use alternative cables, and if the cable is pulled it will pop out instead of breaking.

AKG K240 MKII

Griffin WoodTones with Control Mic

38% have it

11. has an in-line control panel

There is a control panel on the cable, so you can easily operate the device without having to interact with it.

AKG K240 MKII

Griffin WoodTones with Control Mic

44% have it

12. driver unit size

The driver unit is the component that produces sound in the device. Bigger drivers are more powerful and can produce better bass.

30mm

Audeze EL-8 Titanium: 100mm

8mm

13. has a straight plug

A straight plug is better when the jack is on the top or bottom of your player.

AKG K240 MKII

Griffin WoodTones with Control Mic

54% have it

14. has included ear pads

Allows you to change ear pads without buying new ones.

AKG K240 MKII

Griffin WoodTones with Control Mic

42% have it

15. has an over-the-ear form

Comfortable full-size form with earcups that fully enclose your ears. This model is loved for its increased sound isolation and the fact that it won't leak sound to your neighbors. It offers potential for maximum bass and loudness levels.

AKG K240 MKII

Griffin WoodTones with Control Mic

42% have it

16. travel bag is included

The device comes with its own special case or pouch, which is useful for safe transportation.

AKG K240 MKII

Griffin WoodTones with Control Mic

64% have it

17. has a coiled cord

A coiled cord typically offers more flexibility as it can be extended, and taken outside for example.

AKG K240 MKII

Griffin WoodTones with Control Mic

8% have it

18. cable length

A long cable ensures more freedom of movement.

3m

Pioneer SE-A1000: 6m

1.2m

19. has a 3.5mm male connector

A standard 3.5mm male connector is suitable for use with all MP3 players and computer sound cards.

AKG K240 MKII

Griffin WoodTones with Control Mic

87% have it

20. has an in-ear form

The in-ear device is ultracompact and lightweight, with little or no interference with earrings, spectacles, hats, or hairstyles. It is inserted in the ear canal itself and blocks out a lot of environmental noise. It has stronger bass tones and is unlikely to fall out of the ear.

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